Hello Guest, welcome to the initial stages of our new platform!
You can find some additional information about where we are in the process of migrating the board and setting up our new software here
Thank you for being a part of our community!
The tube just ends up getting hard and brittle. I ordered a replacement tube and trimmed it down. I could have also just used a o-ring. The tube is pointless in my opinion so I only used enough of it to have it make the seal to the block.